dread rdead derad edrad redad erdad draed rdaed dared adred raded arded deard edard daerd aderd eadrd aedrd readd eradd raedd aredd eardd aerdd dreda rdeda derda edrda redda erdda drdea rddea ddrea ddrea rddea drdea dedra eddra ddera ddera eddra dedra redda erdda rdeda dreda edrda derda drade rdade darde adrde radde ardde drdae rddae ddrae ddrae rddae drdae dadre addre ddare ddare addre dadre radde ardde rdade drade adrde darde deadr edadr daedr adedr eaddr aeddr dedar eddar ddear ddear eddar dedar dader adder ddaer ddaer adder dader eaddr aeddr edadr deadr adedr daedr readd eradd raedd aredd eardd aerdd redad erdad rdead dread edrad derad raded arded rdaed draed adred dared eadrd aedrd edard deard aderd daerd
Note: these 'words' (valid or invalid) are all the permutations of the word dread. These words are obtained by scrambling the letters in dread.